Most of us have seen images of planes being refueled mid-air via a tethered system. Especially for very long flights, the concept of mid-air refueling has been around for well over 100 year... Read more
Most of us have seen images of planes being refueled mid-air via a tethered system. Especially for very long flights, the concept of mid-air refueling has been around for well over 100 year... Read more
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